tty: n_gsm: Remove unnecessary test in gsm_print_packet()

If the length is zero then the print_hex_dump_bytes won't output
anything, so testing the length before the call is unnecessary.

Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Link: https://lore.kernel.org/r/20200518084517.2173242-2-gregory.clement@bootlin.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index 69200bd411f7a0d6b258ecc23ebc754354bb60f5..4465dd04fead46c4467323a1a73f8fc3ffce8ee4 100644 (file)
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -504,8 +504,7 @@ static void gsm_print_packet(const char *hdr, int addr, int cr,
        else
                pr_cont("(F)");
 
-       if (dlen)
-               print_hex_dump_bytes("", DUMP_PREFIX_NONE, data, dlen);
+       print_hex_dump_bytes("", DUMP_PREFIX_NONE, data, dlen);
 }